1. Selenium in some oxidized sandstone-type uranium deposits Author/Creator: Davidson, David F. 1923- (David Francis), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1963 Resource Type: Book Access & Availability: Loading
2. Selenium in some epithermal deposits of antimony, mercury and silver and gold Author/Creator: Davidson, David F. 1923- (David Francis), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1960 Resource Type: Book Access & Availability: Loading
3. Selenium content of some volcanic rocks from western United States and Hawaiian Islands Author/Creator: Davidson, David F. 1923- (David Francis), author Publication/Creation: Washington, D.C. : United sStates Department of the Interior, Geological Survey, 1959 Resource Type: Book Access & Availability: Loading
4. Stratigraphic sections of the Phosphoria Formation in Idaho, 1949. Part 2 Author/Creator: Davidson, David F. 1923- (David Francis), author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1953 Resource Type: Book Access & Availability: Loading